Statistics by the author: Gregáň Fridrich
| Year of reporting | Count |
|---|---|
| 1993 | 2 |
| 1996 | 1 |
| 1999 | 1 |
| 2006 | 1 |
| 2007 | 2 |
| 2009 | 5 |
| 2010 | 7 |
| 2011 | 8 |
| 2012 | 5 |
| 2013 | 4 |
| 2014 | 7 |
| 2015 | 5 |
| 2016 | 2 |
| 2017 | 1 |
| Year of reporting | Count |
|---|---|
| 1993 | 2 |
| 1996 | 1 |
| 1999 | 1 |
| 2006 | 1 |
| 2007 | 2 |
| 2009 | 5 |
| 2010 | 7 |
| 2011 | 8 |
| 2012 | 5 |
| 2013 | 4 |
| 2014 | 7 |
| 2015 | 5 |
| 2016 | 2 |
| 2017 | 1 |